first commit

app_vue/node_modules/loader-utils/lib/interpolateName.js

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+'use strict';
+
+const path = require('path');
+const emojisList = require('emojis-list');
+const getHashDigest = require('./getHashDigest');
+
+const emojiRegex = /[\uD800-\uDFFF]./;
+const emojiList = emojisList.filter((emoji) => emojiRegex.test(emoji));
+const emojiCache = {};
+
+function encodeStringToEmoji(content, length) {
+  if (emojiCache[content]) {
+    return emojiCache[content];
+  }
+
+  length = length || 1;
+
+  const emojis = [];
+
+  do {
+    if (!emojiList.length) {
+      throw new Error('Ran out of emoji');
+    }
+
+    const index = Math.floor(Math.random() * emojiList.length);
+
+    emojis.push(emojiList[index]);
+    emojiList.splice(index, 1);
+  } while (--length > 0);
+
+  const emojiEncoding = emojis.join('');
+
+  emojiCache[content] = emojiEncoding;
+
+  return emojiEncoding;
+}
+
+function interpolateName(loaderContext, name, options) {
+  let filename;
+
+  const hasQuery =
+    loaderContext.resourceQuery && loaderContext.resourceQuery.length > 1;
+
+  if (typeof name === 'function') {
+    filename = name(
+      loaderContext.resourcePath,
+      hasQuery ? loaderContext.resourceQuery : undefined
+    );
+  } else {
+    filename = name || '[hash].[ext]';
+  }
+
+  const context = options.context;
+  const content = options.content;
+  const regExp = options.regExp;
+
+  let ext = 'bin';
+  let basename = 'file';
+  let directory = '';
+  let folder = '';
+  let query = '';
+
+  if (loaderContext.resourcePath) {
+    const parsed = path.parse(loaderContext.resourcePath);
+    let resourcePath = loaderContext.resourcePath;
+
+    if (parsed.ext) {
+      ext = parsed.ext.substr(1);
+    }
+
+    if (parsed.dir) {
+      basename = parsed.name;
+      resourcePath = parsed.dir + path.sep;
+    }
+
+    if (typeof context !== 'undefined') {
+      directory = path
+        .relative(context, resourcePath + '_')
+        .replace(/\\/g, '/')
+        .replace(/\.\.(\/)?/g, '_$1');
+      directory = directory.substr(0, directory.length - 1);
+    } else {
+      directory = resourcePath.replace(/\\/g, '/').replace(/\.\.(\/)?/g, '_$1');
+    }
+
+    if (directory.length === 1) {
+      directory = '';
+    } else if (directory.length > 1) {
+      folder = path.basename(directory);
+    }
+  }
+
+  if (loaderContext.resourceQuery && loaderContext.resourceQuery.length > 1) {
+    query = loaderContext.resourceQuery;
+
+    const hashIdx = query.indexOf('#');
+
+    if (hashIdx >= 0) {
+      query = query.substr(0, hashIdx);
+    }
+  }
+
+  let url = filename;
+
+  if (content) {
+    // Match hash template
+    url = url
+      // `hash` and `contenthash` are same in `loader-utils` context
+      // let's keep `hash` for backward compatibility
+      .replace(
+        /\[(?:([^[:\]]+):)?(?:hash|contenthash)(?::([a-z]+\d*))?(?::(\d+))?\]/gi,
+        (all, hashType, digestType, maxLength) =>
+          getHashDigest(content, hashType, digestType, parseInt(maxLength, 10))
+      )
+      .replace(/\[emoji(?::(\d+))?\]/gi, (all, length) =>
+        encodeStringToEmoji(content, parseInt(length, 10))
+      );
+  }
+
+  url = url
+    .replace(/\[ext\]/gi, () => ext)
+    .replace(/\[name\]/gi, () => basename)
+    .replace(/\[path\]/gi, () => directory)
+    .replace(/\[folder\]/gi, () => folder)
+    .replace(/\[query\]/gi, () => query);
+
+  if (regExp && loaderContext.resourcePath) {
+    const match = loaderContext.resourcePath.match(new RegExp(regExp));
+
+    match &&
+      match.forEach((matched, i) => {
+        url = url.replace(new RegExp('\\[' + i + '\\]', 'ig'), matched);
+      });
+  }
+
+  if (
+    typeof loaderContext.options === 'object' &&
+    typeof loaderContext.options.customInterpolateName === 'function'
+  ) {
+    url = loaderContext.options.customInterpolateName.call(
+      loaderContext,
+      url,
+      name,
+      options
+    );
+  }
+
+  return url;
+}
+
+module.exports = interpolateName;